Home / 147,887.57-204,183.39-87,477.62

Finding the Fourth Proportional to 147,887.57, 204,183.39 and 87,477.62

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Solution

The fourth proportional to 147,887.57, 204,183.39 and 87,477.62 is: 120,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,887.57 : 204,183.39 = 87,477.62 : x
  2. Step 2: Convert to fraction form
    147,887.57/204,183.39 = 87,477.62/x
  3. Step 3: Cross multiply
    147,887.57x = 204,183.39 × 87,477.62
  4. Step 4: Simplify right side
    147,887.57x = 17,861,477,000.73
  5. Step 5: Solve for x
    x = 17,861,477,000.73/147,887.57
  6. Step 6: Final answer
    x = 120,777.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.